[Home](./index.md) > [recogn-parse](./recogn-parse.md) > [Judge](./recogn-parse.judge.md) ## Judge type 鉴定函数 **Signature:** ```typescript export type Judge = (target: any, targetOptions: Options, preResult: FormatJudgeResult) => JudgeReturn; ``` **References:** [FormatJudgeResult](./recogn-parse.formatjudgeresult.md), [JudgeReturn](./recogn-parse.judgereturn.md) ## Remarks 鉴定 target 的类型 和 格式化数据，如果返回 空，表示鉴定失败